OFFSET
4,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 4..1000
Index entries for linear recurrences with constant coefficients, signature (7,-15,8,5,-5,1)
MATHEMATICA
LinearRecurrence[{7, -15, 8, 5, -5, 1}, {2, 13, 61, 248, 935, 3368}, 30] (* Harvey P. Dale, Nov 22 2023 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, Oct 22 2017
STATUS
approved